The standard 72" lead length provides ample reach for large-scale boilers

Direct OEM replacement ensures proper fitment and terminal alignment

volume for high-volume service trucks or large-scale commercial installs

it fits a wide range of sub-brands including Heil

Nordyne 632445R Pressure Switch The standard 72" lead lengthFor field technicians and contractors managing residential HVAC units, the Nordyne 632445R Pressure Switch is the mandatory OEM replacement part for ensuring safe furnace inducer motor operation. This single pole single throw (SPST) switch is factory calibrated to a 1. 10" WC (water column) setpoint, critical for monitoring vacuum pressure within the combustion assembly. As the direct updated version of the 632445, it carries forward the same 1 4